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Rails: How to get the model class name based on the controller class name?

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UIPopovercontroller dealloc reached while popover is still visible

...r in SO for my question but none of them were helpful. Here I got a simple code that should present a UIImagePickerController within a UIPopoverController : ...
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What's the difference between .so, .la and .a library files?

I know an .so file is a kind of dynamic library (lots of threads can share such libraries so there is no need to have more than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries? ...
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ruby system command check exit code

I have a bunch of system calls in ruby such as the following and I want to check their exit codes simultaneously so that my script exits out if that command fails. ...
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What makes JNI calls slow?

I know that 'crossing boundaries' when making a JNI call in Java is slow. 3 Answers 3 ...
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'any' vs 'Object'

I am looking at TypeScript code and noticed that they use: 6 Answers 6 ...
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Is “inline” without “static” or “extern” ever useful in C99?

When I try to build this code 3 Answers 3 ...
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Rails check if yield :area is defined in content_for

I want to do a conditional rendering at the layout level based on the actual template has defined content_for(:an__area) , any idea how to get this done? ...
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How can I get the intersection, union, and subset of arrays in Ruby?

I want to create different methods for a class called Multiset . 3 Answers 3 ...
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How do I revert master branch to a tag in git?

We have branches origin and develop. The initial state of master was tagged at tag_ABC . 2 Answers ...